Unit 3 比较级&最高级人教版八年级英语上册

展开

比较级&最高级 比较级用于________（人或事物）直接的比较。最高级用于________________（人或事物）的比较。 比较级用______引出比较对象。最高级可用________来说明比较的范围。 比较级&最高级的构成【不规则变化】原级比较级最高级good/wellbetterbestbad/badly/illworseworstmany/muchmoremostlittlelessleastfarfarther(表示距离：“更远”)farthestfurther(表示程度：“更进一步”)furthestoldolder(新旧或年龄)oldestelder(兄弟姐妹长幼关系)eldest 【规则变化】构成方式例词单音节词和部分双音节词 一般在词尾+ _______ 一般在词尾+ _______higher,taller,shorter,smarter,faster,younger,older,quieter,longer 以______的词，在词尾+ _____ 以______的词，在词尾+ _____finer, later, nicer,wider 重读闭音节词词尾只有一个辅音字母（辅元辅）____________ 重读闭音节词词尾只有一个辅音字母（辅元辅），___________bigger，thinnerfatter， hotter 以“____________” 结尾的双音节词，___________________ 以“____________” 结尾的双音节词，___________________easier , funnier , heavier , lazier happier , drier , earlier多音节词和部分双音节词 __________________ __________________more outgoing,more beautiful, more interesting, more popularmore comfortable, more quietlymore hard-working,more loudlymore clearlyfriendly — friendlier/more friendlyshy — shyer/shier 【不考】比较级用法同级比较①　肯定形式：as + adj./adv. + as “和...一样”结构：_____________________________________ _____________________________________Eg. Amy is as tall as Peter. Eg. I work as hard as Tina.②　否定形式：not as + adj. /adv. + as 不如…结构：_____________________________________ _____________________________________Eg.Amy is not as/so tall as Peter. 艾米没有皮特高。Eg.I can’t jump as high as Bill. 我跳高不如比尔。2.用法：A比B更...结构：_____________________________________ _____________________________________Eg. I am more outgoing than my sister.Eg.Nelly danced better than Lisa.【not as/so…as 可与比较级进行同义句的转换】This room is not as /so big as that one.=That room is bigger than this one. 3.用法：越来越…结构：_____________________________________ _____________________________________Eg.He is getting taller and taller.他正变得越来越高Eg.These flowers are more and more beautiful.花越来越漂亮4.用法：越……，越…….结构：_____________________________________Eg.The more careful you are,the fewer mistakes you’ll make.你越认真，你犯的错误就越少。Eg.The busier he is, the happier he feels.他越忙就越感到高兴。5.用法：两者中比较...的结构：_____________________________________Eg.Lisa is the quicker of the two.丽萨是两个中比较快的那个。Eg.Look at the two boys.My brother is the taller of the two.看那两个男孩，我弟弟是那两个当中较高的一个。6.用法： A和B，哪一个更…?结构：_____________________________________Eg.Who is more beautiful, Lucy or Mary?Eg.Who dances better, you or your sister? 7.用法：A是B的...倍结构：_____________________________________ _____________________________________Eg.This building is five times as tall as that one.这座建筑物是那座的两倍高。Eg.The hall is five times bigger than our classroom. 这个大厅的面积比我们教室大五倍。 8.用法：比其他任何/所有…都… （在同一范围内进行比较）结构：_____________________________________ _____________________________________Eg. China is larger than any other country in Asia.中国比亚洲其他任何国家都大。Eg.China is larger than the other countries in Asia.中国比亚洲其他所有国家都大。= China is the largest country in Asia.中国是亚洲最大的国家。9.用法：比任何…都… （不在同一范围内比较）结构：_____________________________________Eg. China is larger than any country in Africa. 中国比非洲的任何国家都大。 注意事项1) 比较对象必须一致。My hair is longer than yours. yours相当于your hair2) 有时为了避免重复，可用that或those代替前面提到的词，而且that或those不能省略。The weather in Hainan is warmer than that in Beijing.His stories are more interesting than those I told. 可修饰比较级的词1）_______/_______/______+比较级，意为“…得多”2）________ /_______ +比较级，意为“有点儿…”3）_______/_______+比较级，意为“甚至/还要…” very/quite/so/too一般只能修饰原级，不能修饰比较级